Amongst the following, the total number of compounds whose aqueous solution tums red litmus paper blue is:
$K C N, K_{2} S O_{4}, (N H_{4})_{2} C_{2} O_{4}, N a C l, Z n (N O_{3})_{2}, F e C l_{3} K_{2} C O_{3}, N H_{4} N O_{3}, L i C N$

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Solution

The correct option is C 3
$K C N, K_{2} C O_{3}, L i C N$ are basic in nature and their aqueous solution turns red litmus paper blue.

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Similar questions

K_{2} S O_{4}

(N H_{4})_{2} C_{2} O_{4}

N a C l

Z n (N O_{3})_{2}

F e C l_{3}

K_{2} C O_{3}

N H_{4} N O_{3}

L i C N

K C N, K_{2} S O_{4}, (N H_{4})_{2} S O_{4}, N a C l, Z n (N O_{3})_{2}, F e C l_{2}, K_{2} C O_{3}, N H_{4} N O_{2}, L i C N

K C N, K_{2} {S O}_{4}, {({N H}_{4})}_{2} C_{2} O_{4}, N a C l, Z n {({N O}_{3})}_{2}, F e {C l}_{3}, K_{2} {C O}_{3}, {N H}_{4} {N O}_{3}, L i C N

K C N, K_{2} {S O}_{4}, ({N H}_{4})_{2} C_{2} O_{4}, N a C l, Z n ({N O}_{3})_{2}, F e {C l}_{3}, K_{2} {C O}_{3}, {N H}_{4} {N O}_{3}, L i C N

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