JEE Chemistry Thermodynamics MCQs Set B
Question: A spontaneous reaction is impossible if a) b) c) d) Answer: Question: a) b) c) d) Answer: Question: Identify the correct statement regarding entropy a) At absolute…
JEE Chemistry Thermodynamics MCQs Set A
Question: Thermodynamics is not concerned about____. a) the rate at which a reaction proceeds b) the feasibility of a chemical reaction c) the extent to which a chemical reaction proceeds d) energy changes involved in a chemical reaction Answer:…
JEE Chemistry The Solid State MCQs Set B
Question: Frenkel and Schottky defects are : a) crystal defects b) nucleus defects c) non-crystal defects d) nuclear defects Answer: crystal defects Question: Equal number of atoms or ion missing from normal lattice point…
JEE Chemistry The Solid State MCQs Set A
Question: Which of the following is not a characteristic property of solids? a) Intermolecular forces are weak b) Intermolecular distances are short c) Constituent particles have fixed positions d) Solids oscillate about their mean positions…
JEE Chemistry The P Block Elements MCQs Set E
Question: Argon is used a) in high temperature welding b) in radiotherapy for treatment of cancer c) to obtain low temperature d) in filling airships Answer: in high temperature welding Question: Which one of the following…
JEE Chemistry The P Block Elements MCQs Set D
Question: The acid which has a peroxy linkage is a) Caro’s acid b) Pyrosulphuric acid c) Sulphurous acid d) Dithionic acid Answer: Caro’s acid Question: S – S bond is not present in a) b) c) d) None of these…
JEE Chemistry The P Block Elements MCQs Set C
Question: Ionic radii (in Å) of As3+, Sb3+ and Bi3+ follow the order a) Bi3+ > Sb3+ > As3+ b) Sb3+ > Bi3+ >As3+ c) As3+ > Sb3+ > Bi3+ d) None of these Answer: Bi3+ > Sb3+ > As3+ Question: Which of the…
JEE Chemistry The P Block Elements MCQs Set B
Question: Which of the following is not correct? a) GeCl2 is more stable than GeCl4 b) GeO2 is weakly acidic c) GeCl4 in HCl forms [ GeCl2]2– ion d) None of these Answer: GeCl2 is more stable than GeCl4 Question: The main…
JEE Chemistry The P Block Elements MCQs Set A
Question: The non-metal oxides are ____x____ whereas metal oxides are ___y ____ in nature. a) x = acidic or neutral, y = basic b) x = acidic, y = neutral c) x = basic, y = acidic d) x = neutral, y = basic Answer: x = acidic or neutral, y =…
JEE Chemistry The D and F Block Elements MCQs Set C
Question: a) (ii) and (iv) b) (i) and (iii) c) (i) and (ii) d) (iii) and (iv) Answer: (ii) and (iv) Question: Which of the following lanthanoid element is steel hard in nature? a) Sm b) Eu c) Pm d) Ce Answer: Sm…
JEE Chemistry The D and F Block Elements MCQs Set B
Question: Transition elements show magnetic moment due to spin and orbital motion of electrons. Which of the following metallic ions have almost same spin only magnetic moment? (i) Co2+ (ii) Cr2+ (iii) Mn2+ …
JEE Chemistry The D and F Block Elements MCQs Set A
Question: The transition elements have a general electronic configuration a) b) c) d) Answer: Question: Correct electronic configuration of Cr (Z = 24) is a) b) c) d) None of these Answer:…
JEE Chemistry Surface Chemistry MCQs Set C
Question: Which one of the following impurities present in colloidal solution cannot be removed by electrodialysis a) Urea b) Sodium chloride c) Potassium sulphate d) Calcium chloride Answer: Urea Question: Brownian movement is…
JEE Chemistry Surface Chemistry MCQs Set B
Question: Hydrolysis of urea is an example of a) biochemical catalysis b) homogenous catalysis c) heterogenous catalysis d) zeolite catalysis Answer: biochemical catalysis Question: The efficiency of an enzyme in catalysing a…