JK2010

The metal-carbon bond in metal carbonyl possesses

The metal-carbon bond in metal carbonyl possesses Options (a) only s character (b) only p character (c) both s and…

Which one of the following statements about transition elements is incorrect

Which one of the following statements about transition elements is incorrect Options (a) They show variable oxidation states (b) All…

For the reaction R → P a graph of [R] against time is found to be a straight

For the reaction R → P a graph of [R] against time is found to be a straight line with…

Which one of the following compounds exhibit both schottky and frenkel defects

Which one of the following compounds exhibit both schottky and frenkel defects Options (a) NaCl (b) AgCl (c) AgBr (d)…

Which of the following statements is true

Which of the following statements is true Options (a) Chemisorption forms unimolecular layer (b) Chemisorption is a reversible process (c)…

Identify the molecule that has zero dipole moment

Identify the molecule that has zero dipole moment Options (a) CH₃Cl (b) CHCl₃ (c) CH₂Cl₂ (d) CCl₄ Correct Answer: CCl₄Explanation:No…

Concentration of the urine is controlled by

Concentration of the urine is controlled by Options (a) MSH (b) ADH (c) oxytocin (d) ACTH Correct Answer: ADHExplanation:No explanation…

Cannizzaro reaction is not given by

Cannizzaro reaction is not given by Options (a) methanal (b) phenyl methanal (c) 2,2-dimethylbutanal (d) phenyl ethanal Correct Answer: phenyl…

Which one of the following has an aromatic character

Which one of the following has an aromatic character Options (a) Cyclopentadiene (b) Cycloheptatrienylium cation (c) cyclopropyne (d) Cycloheptatrienyl anion…

The correct order of decreasing acidic nature of H₂O,ROH,CH≡CH and NH₃ is

The correct order of decreasing acidic nature of H₂O,ROH,CH≡CH and NH₃ is Options (a) CH≡CH>H₂O>ROH>NH₃ (b) H₂O>ROH>CH≡CH>NH₃ (c) ROH>NH₃>CH≡CH>H₂O (d)…