BITSAT Chemistry Test - 5 - JEE MCQ
30 Questions MCQ Test - BITSAT Chemistry Test - 5
Which of the following cannot be made by using Williamson's synthesis?
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If uncertainty in the position of electron is zero, the uncertainty in its momentum would be
The maximum amount of BaSO4 precipitated on mixing BaCl2 (0.5 M) with H2SO4 (1M) will correspond to
The compound with carbon uses only its sp3 hybrid orbitals for bond formation is
The hybrid states of carbon in diamond, graphite and acetylene are respectively
The enthalpy of formation for C2H4(g),CO2(g) and H2O(l) at 25oC and 1 atm. pressure be 52,-394 and -286 kJ mol-1 respectively .The enthalpy of combustion of C2H4(g) will be
Elimination of bromine from 2- bromobutane results in the formation of
1 mole of N₂ and 2 moles of H₂ are allowed to react in a 1 dm3 vessel. At equilibrium 0.8 mole of NH₃ is formed. The concentration of H₂ in the vessel is
In the transition series, as the atomic no. increases, the paramagnetism
The e.m.f. of a galvanic cell with electrode potentials of Al equal to -1.66 V and that of Mg equal to - 0.54 V is
Which one of the following compounds will be most easily attacked by an electrophile ?
When HCl gas is passed through a saturated solution of common salt, pure NaCl is precipitated because
In the keto-enol tautomerism of dicarbonyl compounds the enol form is preferred in contrast to the keto form, this is due to
Which of the following is isoelectronic as well as has same structure as that of N₂O?
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