Which one of the following statements is incorrect with regard to ortho and para
Which one of the following statements is incorrect with regard to ortho and para-dihydrogen Options (a) They are nuclear spin…
7 years ago
KL2009
The number of electrons involved in the reduction of one nitrate ion
The number of electrons involved in the reduction of one nitrate ion to hydrazine is Options (a) 8 (b) 5…
7 years ago
Benzenediazonium chloride on treated with water gives
Benzenediazonium chloride on treated with water gives Options (a) phenol (b) 0-chlorophenol (c) anisole (d) chlorobenzene Correct Answer: phenolExplanation:No explanation…
7 years ago
Nitrobenzene is reduced to azoxybenzene using
Nitrobenzene is reduced to azoxybenzene using Options (a) Sn/HCl (b) Zn/NH₄Cl (c) As₂O₃/NaOH (d) Zn/NaOH Correct Answer: As₂O₃/NaOHExplanation:No explanation available.…
7 years ago
The anion, (Si₆O₁₈)¹²⁻ is present in
The anion, (Si₆O₁₈)¹²⁻ is present in Options (a) pyroxene (b) beryl (c) mica (d) albite Correct Answer: berylExplanation:No explanation available.…
7 years ago
The number of carbon atoms in Buckminsterfullerene is
The number of carbon atoms in Buckminsterfullerene is Options (a) 50 (b) 350 (c) 60 (d) 70 Correct Answer: 60Explanation:Buckminsterfullerene…
7 years ago
The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that
The main reason that SiCl₄ is easily hydrolysed as compared to CCl₄ is that Options (a) Si - Si bond…
7 years ago
Which one of the following does not react with water even under red hot condition
Which one of the following does not react with water even under red hot condition Options (a) Na (b) Be…
7 years ago
The polymer used in orthopaedic devices and in controlled drug release is
The polymer used in orthopaedic devices and in controlled drug release is Options (a) Orlon (b) PTFE (c) SBR (d)…
7 years ago
The number of primary, secondary and tertiary carbons in 3,4-dimethylheptane
The number of primary, secondary and tertiary carbons in 3,4-dimethylheptane are respectively Options (a) 4,3 and 2 (b) 2,3 and…
7 years ago