Q. Which of the following alcohol can give Iodoform reaction? Answer: Ethanol
Q. Reaction of HCN with formaldehyde is a ______? Answer: Nucleophilic addition reaction
Q. The blue color of Fehling solution is changed to red when warmed with an aldehyde due to formation of which of the following? Answer: Cu₂O
Q. CnH2nO is the general formula of ______? Answer: Ketones
Q. Alkyl Halides involving -C-X bond breakage and -C-Nu bond formation simultaneously would follow which one of the following mechanisms? Answer: SN2
Q. Identify the correct statement related to substitution and elimination of alkyl halides? Answer: Role of leaving groups in elimination is similar to substitution
Q. Identify correct ascending order of reactivity of alkyl halides? Answer: F, Cl, Br, I
Q. In Friedel Craft acylation an acyl group is introduced in benzene ring in the presence of catalyst _____? Answer: AlCl₃
Q. Which one of the following DO NOT have tendency to form hydrogen bonding? Answer: Hydrocarbon
Q. In order to boil water at 110°C, external pressure should be _____? Answer: 760 – 1200 torr
Q. The correct ideal gas equation is ____? Answer: PV=nRt
Q. Intermolecular forces between molecules of ideal gas are ______? Answer: Absent
Q. Which of the following electronic configuration is correct for carbon? Answer: 1s²2s²2p²
Q. The p orbital has ______? Answer: 2 lobes
Q. No individual atom in the sample of 1 mole of Neon has a mass of 20.18 a.m.u. because it is ______? Answer: Average atomic mass of Ne
Q. The atomic masses of element depend upon _____? Answer: Number of isotopes & their abundance
Q. The type and relative amount of each isotope in an element can be found by ______? Answer: Mass Spectrometry
Q. Number of moles in an element is directly proportional to _____? Answer: Mass of an element
Q. Which of the following is an example of substituent group which release electrons to benzene ring? Answer: -NH₂
Q. Homocyclic organic compounds are sub divided into two types namely? Answer: Alicyclic and Aromatic
Q. Which of the following is NOT a correct feature of electrolytic cells? Answer: Alternating current source is connected to electrodes
Q. Which step is irrelevant with respect to balancing of redox equations by oxidation number method? Answer: Split the reaction into two half reactions
Q. Oxidation number of ‘Mn’ in KMnO₄ is _______? Answer: +7
Q. The enthalpy change when 1 Mole of water is formed by the reaction of acid with an alkali under standard conditions is known as? Answer: Enthalpy of neutralization
Q. All of the following steps are used to calculate the lattice energy in Born-Haber cycle EXCEPT? Answer: Deionize the metal
Q. In endothermic reaction, the heat content of the _____? Answer: Products is more than that of reactants
Q. Which of the following is CORRECT Arrhenius equation? Answer: K=Ae^-Ea/RT
Q. The step whose rate does not depend on the concentration of reactants is? Answer: Zero order reaction
Q. Consider the hypothetical equation aA + bB → cC + dD: Which of the following represents correct rate equation? Answer: Rate = k[A]^a[B]^b
Q. Identify the correct formula to calculate rate of reaction? Answer: Change in concentration of substance ÷ Time taken for the change
Q. Consider the following reaction in equilibrium and tell addition of which chemical will turn the cloudy solution into clear solution? BiCl₃ + H₂O ⇌ BiOCI + 2HCI Answer: HCl
Q. In graphite the carbon atoms are arranged in which of the following structure? Answer: Hexagonal
Q. One of the following is NOT an example of amorphous solids? Answer: Glucose
Q. Whenever the crystalline solids are broken they do so along definite planes known as? Answer: Cleavage planes
Q. Boiling point of a liquid is a temperature at which _____? Answer: Vapour pressure equals the atmospheric pressure
Q. Which reagent can differentiate alcohol and phenol? Answer: Neutral FeCl₃
Q. What is the general formula for alkenes? Answer: CnH2n
Q. The Magnetic quantum number for 4f orbital would be _____? Answer: -3, -2, -1, 0, +1, +2, +3
Q. The pressure 14.7 psi is equal to _____? Answer: 1 atm
Q. The gas law in which the pressure is kept constant is known as ______? Answer: Charles’ Law
Q. The average distance covered by the gas molecule between successive collisions is known as _____? Answer: Mean free path
Q. In Kelvin scale of temperature, the boiling point of water is marked as ______? Answer: 373K
Q. Which carbonyl carbon is more electrophilic? Answer: HCHO
Q. 50g of Mg is burned with 32g of oxygen to form MgO. The amount of excess reagent left is? Answer: 2g Mg
Q. K is called the specific rate constant because it is ______? Answer: Rate per unit concentration
Q. Formic acid reacts with ethanol in the presence of an acid catalyst and produces _____? Answer: Ester
Q. Which one is not a type of stereoisomerism? Answer: Metamerism
Q. Which of the following is NOT a state function? Answer: Work
Q. Select the standard condition for temperature and pressure? Answer: 14.7 psi and 0°C
Q. Which compound will not show geometrical isomerism? Answer: Pent-1-ene
Q. If ionization energy of an element is greater then _____? Answer: Less is it’s metallic character
Q. All of following have two bond pairs and show linear geometry except? Answer: SnCl₂
Q. The ionic compound among the following with the highest lattice energy is _____? Answer: LiF
Q. During Clemmenson reduction of aldehyde and ketone, carbonyl group into alkane group is carried out with ____? Answer: Zn/Hg conc.HCl
Q. Which one is addition polymer? Answer: Polyvinyl chloride
Q. Ratio of sigma bonds and pi bonds present in benzene are _____? Answer: 4:1
Q. Which of following adhesive is used to bond broken pieces of jewelry? Answer: Epoxy resin
Q. Which atom has at least single electron in dumbbell shape orbital? Answer: B
Q. The IUPAC name of Vinyl acetylene is _____? Answer: But-1-en-3-yne
Q. The maximum probability of finding an electron is at a distance of _____? Answer: 0.053 nm
Q. The formation of activated complex in a reaction is _____? Answer: Endothermic process
Q. Which of the following is expected to be the most paramagnetic? Answer: ⁶C
Q. Among the following compound, the most susceptible to nucleophilic attack on carbonyl carbon is? Answer: CH₃COCl
Q. The order of reactivity of following R-X for SN² reaction is ______? Answer: RI>RBr>RCl>RF
Q. IUPAC name of CHCCl is _____? Answer: Chloroethyne
Q. What is 50% yield when actual yield and theoretical yield are 2 g and 4 g respectively? Answer: 50%
Q. Phenol differs from ethanol because it ______? Answer: Is more acidic because of resonance stabilized conjugate base
Q. Value of electronegativity of atoms A and B are 1.20 and 4.0 respectively, the percent ionic character will be ______? Answer: 73%
Q. Which of the following molecules have similar molecular shape? Answer: H₂O & SnCl₂
Q. Which of the following is least volatile? Answer: Glycerol
Q. Correct order of bond energy will be: Answer: HCl>HBr>HI
Q. Rate of dehydration of alcohol is ______? Answer: 3°>2°>1°
Q. The heat of formation of CO and CO₂ are -26.4 Kcal and -94.0 Kcal respectively. The heat of combustion of carbon monoxide according to Hess’s Law will be ____? Answer: -67.6Kcal
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