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Q. Match the list I with list II and select the correct answer using the code given below.
List I List II
P. Tribasic acid 1. Hydrazoic acid
Q. Dibasic acid 2. Ortho phosphorous acid
R. Acid hydride of nitrogen 3. Ammonia
S. Basic hydride of nitrogen 4. Orthophosphoric acid

The p-Block Elements - Part2

Solution:

Orthophosphoric acid $\longrightarrow H _3 PO _{4 \text { (Tribasicacid) }}$
Orthophosphoric acid $\longrightarrow H _3 PO _{3 \text { (Dibasic acid) }}$
Ammonia $\longrightarrow NH _{3(\text { Basic hydride of } N )}$
Hydrazoic acid $\longrightarrow N _3 H _{\text {(Acid hydride of } N \text { ) }}$