Of the following complex ions, which is diamagnetic in nature?
[Ni(CN)4]2-
[CuCl4]2-
[CoF6]3-
[CoF6]3-
Clemmensen reduction of a ketone is carried out in the presence of which of the following?
Zn -Hg with HCl
LiAlH4
H2 and Pt as catalyst
H2 and Pt as catalyst
Which one of the following is employed as antihistamine?
Diphenyl hydramine
Norethindrone
Omeprazole
Omeprazole
Of the following which one is classified as polyester polymer?
Bakelite
Melamine
Nylon-66
Nylon-66
D.
Nylon-66
Terylene is a polyester polymer because it is formed by the monomer units terephthalic acid and ethylene glycol.
Which one of the following statements is not true regarding (+) lactose?
(+) lactose is a β - glycoside formed by the union of a molecule of D (+) galactose
(+) lactose is a reducing sugar and does not exhibit mutarotation
(+) lactose, C12H22O11 contains 8 - OH groups
(+) lactose, C12H22O11 contains 8 - OH groups
In a set of reactions, m-Bromo benzoic acid g ave a product D. Identify the product D.