Home
Class 11
CHEMISTRY
Four reaction are given below (i) 2Li+...

Four reaction are given below
(i) `2Li+2H_(2)Orarr2LiOH+H_(2)`
(ii) `2Na+2H_(2)Orarr2NaOH+H_(2)`
(iii) `2LiNO_(3)overset(Heat)(rarr)2LiNO_(2)+O_(2)`
(iv) `2NaNO_(3)overset(Heat)(rarr)2NaNO_(2)+O2`
Which of the above, if any, is wrong

A

(iv)

B

(iii)

C

(i)

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Lithium nitrate on heating gives
`underset((S))(4LiNO_(3))overset(Delta)tounderset((S))(2Li_(2)O)+4NO_(2)uarr+O_(2)uarr`.
Promotional Banner

Similar Questions

Explore conceptually related problems

Complete the following reactions (i) O_(2)^(2-)+H_(2)O rarr (ii) O_(2)^(-) +H_(2)O rarr

With respect to halogen or iodide ion four reactions are give below (P) Cl_(2)+H_(2)O_(2) rarr 2HCl+O_(2) (Q) Br_(2)+H_(2)O_(2) rarr 2HBr+O_(2) ( R) I_(2)+H_(2)O_(2) rarr 2HI +O_(2) (S) I^(-)+H_(2)O_(2) rarr 2OH^(-)+I_(2) The correct reactions are :

"Phenol "overset(NaNO_(2)//H_(2)SO_(4))rarr B overset(H_(2)O)rarr C overset(NaOH)rarr D Name of the above reaction is

Given two reaction, describe them (i) Na_(2)CO_(3)+2H_(2)Orarr2NaOH+H_(2)CO_(3) (ii) CuSO_(4)+5H_(2)OrarrCuSO_(4).5H_(2)O

2AgNO_(3)+2NaOH to Ag_(2)O darr+2NaNO_(3)+H_(2)O

For which of these process is the value of DeltaH negative (i) N_(2)+O_(2) rarr 2NO (ii) N_(2)+3H_(2) overset(Fe+MO)(rarr) 2NH_(3) (iii) 2SO_(2)+O_(2) overset(V_(2)O_(5))(rarr) 2SO_(3) (iv) H_(2)+I_(2) overset(pt)(rarr) 2HI

In the reaction H_(2) O _(2(aq)) overset(I^(-))(rarr)H_(2) O_((l)) + 1/2 O_(2("g")), where I^(-) is

Cl_(2) overset(NaOH)(rarr)NaCl+NaClO_(3)+H_(2)O The equivalent mass of Cl_(2) in the above reaction is