VITEEE Chemistry Test - 7 - JEE MCQ
30 Questions MCQ Test - VITEEE Chemistry Test - 7
What is the product obtained when chlorine reacts with ethyl alcohol in the presence of NaOH?
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Which of the following reagent react differently with HCHO and CH₃CHO and CH₃COCH₃
Propyne on hydrolysis in presence of HCl and HgSO₄ gives
Which species represents the electrophile in aromatic nitration?
On heating glucose with Fehling's solution we get a precipitate whose colour is
Amides may be converted into amines by a reaction named after
Just before attaining equilibrium by a reversible reaction, it is found that
Given that
2C(s) + 2O2g → 2CO2(g) , ΔH = − 787 k J
H2(g) + 1/2O2g → H2O(l) , ΔH = − 286 k J
C2H2(g) + 
O2g → 2CO2+ H2Ol , ΔH = − 1301 k J
Heat of formation of acetylene is
The dyes attached to the fibres themselves by irreversible chemical reactions are
phenyl isocyanides are prepared from which of the following reactions ?
In the diazotisation of aniline the excess of hydrochloric acid is used primarily with sodium nitrite because it
When 2.5 amp. of current passed through CuSO4 solution for 6 min. 26 sec. the amount of copper deposited is
The slag obtained during the extraction of copper from pyrites is composed mainly of
A container contains 1 mole of a gas at 1 atm pressure and 27oC, and its volume is 24.6 ltres. If pressure is 10 atm and temperature 327oC, then new volume is approximately
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