MCQ
According to Bronsted law, water is a/an
- ABase
- BAcid
- ✓Acid and base both
- DSalt
${H_2}O + {H_2}O⇌{H_3}{O^ + } + O{H^ - }$
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$(A)$ Non metals have higher electronegativity than metals.
$(B)$ Non metals have lower ionisation enthalpy than metals.
$(C)$ Compounds formed between highly reactive nonmetals and highly reactive metals are generally ionic.
$(D)$ The non-metal oxides are generally basic in nature.
$(E)$ The metal oxides are generally acidic or neutral in nature.
Maleic anhydride can be prepared by :
$A + B \rightleftharpoons C + D$ is $1 \times 10^{-2}$ at $298\, K$ and is
$2$ at $273\, K$. The chemical process resulting in the formation of $C$ and $D$ is