On heating sodium metal in dry ammonia, the compound formed is
On heating sodium metal in dry ammonia, the compound formed is Options (a) sodium hydride (b) sodium azide (c) sodium…
8 years ago
Questions
The surface tension of which of the following liquid is maximum
The surface tension of which of the following liquid is maximum Options (a) C₂H₅OH (b) CH₃OH (c) H₂O (d) C₆H₆…
8 years ago
The hybridisation of carbons of C-C single bond of HC ≡C-CH =CH₂ is
The hybridisation of carbons of C-C single bond of HC ≡C-CH =CH₂ is Options (a) sp³ - sp³ (b) sp…
8 years ago
Which of the following compounds can exist in optically active form
Which of the following compounds can exist in optically active form Options (a) 1-Butanol (b) 2-Butanol (c) 3-Pentanol (d) 4-Heptanol…
8 years ago
Which one of the following dfects in the crystals lowers its density
Which one of the following dfects in the crystals lowers its density Options (a) Frenkel defect (b) Schottky defect (c)…
8 years ago
The pH value of 0.02 M ammonia solution, which is 5% ionised, will be
The pH value of 0.02 M ammonia solution, which is 5% ionised, will be Options (a) 7 (b) 5 (c)…
8 years ago
The spin only magnetic moment of [CrF₆]⁴⁻ (atomic number for Cr is 24) is
The spin only magnetic moment of [CrF₆]⁴⁻ (atomic number for Cr is 24) is Options (a) 0 (b) 1.73BM (c)…
8 years ago
In an exothermic reaction(reversible) which of the following has positive value
In an exothermic reaction(reversible) which of the following has positive value Options (a) Enthalphy (b) Entrophy (c) Gibb's Free Energy…
8 years ago
Which of the following reacts with chloroform and a base to form phenylisocyanide
Which of the following reacts with chloroform and a base to form phenylisocyanide Options (a) Benzene (b) Aniline (c) Nitrobenzene…
8 years ago
Which colourless gas evolves, when NH₄ Cl reacts with zinc in a dry cell battery
Which colourless gas evolves, when NH₄ Cl reacts with zinc in a dry cell battery Options (a) NH₃ (b) N₂…
8 years ago