In the reaction with HCl, an alkene reacts in accordance with the Markovnikov’s rule to give a product 1-chloro-1-methylcyclohexane.The possible alkene is
Options
(a)
(b)
(c)
A and B
(d)
20.0 g of a magnesium carbonate sample decomposes on heating to give carbon dioxide and 8.0 g magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample? (At.Wt.of Mg =24)
2,3-Dimethyl 1-2-butene can be prepared by heating which of the following compounds with a strong acid
Options
(a) (CH₃)₃C – CH = CH₂ (b) (CH₃)₂C = CH – CH₂ – CH₃ (c) (CH₃)₂CH […]
If in a p-n junction, a square input signal of 10 V is applied as shown, then the output across Rʟ will be
Options
(a)
(b)
(c)
(d)
Correct […]
Which logic gate is represented by the following combination of logic gate?
Options
(a) NAND (b) AND (c) NOR (d) OR
Correct Answer:
AND
Explanation:
No explanation available. Be the first to write […]
A conducting square frame of side ‘a’ and a long straight wire carrying current I are located in the same plane as shown in the figure. The frame moves to the right with a constant […]
The electric field in a certain region is acting radially outward and is given by E=Ar. A change contained in a sphere of radius ‘a’ centred at the origin of the field, will be given […]
The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open at both the ends. The length of organ pipe open at both […]
A particle is executing SHM along a straight line. Its velocities at distances x₁ and x₂ from the mean position are V₁ and V₂ respectively. Its time period is
Options
(a) 2π√x₂²-x₁²/V₁²-V₂² (b) […]
When two displacements represented by y₁=a sin(?t) are superimposed the motion is
Options
(a) simple harmonic with amplitude a/b (b) simple harmonic with amplitude√a²+b² (c) simple harmonic with amplitude(a+b)/2 (d) not a simple […]
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