A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with conc. $H_2SO_4$. The evolved gaseous mixture is passed through KOH pellets. Weight (in g) of the remaining product at STP will be
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Which of the following oxides is most acidic in nature?
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Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity?
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The compound A on treatment with Na gives B, and with $PCl_5$ gives C. B and C react together to give diethyl ether. A, B and C are in the order
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The compound $C_7H_8$ undergoes the following reactions:
The product C is
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Hydrocarbon (A) reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to gaseous hydrocarbon containing less than four carbon atoms. (A) is
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Which of the following molecules represents the order of hybridisation $sp^2, sp^2$, sp, sp from left to right atoms?
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Which of the following carbocations is expected to be most stable?
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Which of the following is correct with respect to – I effect of the substituents? (R = alkyl)
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In the reaction
The electrophile involved is
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