Question

When `BeCl_(2)` is hydrolysed, white fumes of gas are given out. The intensity of fumesintensifies when a rod dipped in moist ammonia is brought near the mouth of the test tube. The gas which comes out during hydrolysis is
A. `Cl_(2)`
B. `HCl`
C. `NH_(4)OH`
D. `NH_(4)Cl`

Answer 1

Correct Answer - B
`BeCl_(2)+2H_(2)O to Be(OH)_(2)+ underset(("fumes"))(2HCl)HCl+NH_(3) to underset(("intense fumes"))(NH_(4)Cl)`