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A cricket ball of 0.5 kg is moving with a velocity of 100 m/ sec . The wavelength associated with its motion is:
(1) 1/ 100cm
(2) 6.6 x10 -34m
(3) 1.32 x 10 -35 m
(4) 6.6 x 10 -28 m
Ans: 1.32 x 10 -35 m
Number of unpaired electrons in the ground state of beryllium atom is: (1) 2 (2) 1 (3) 0 (4) All the above Ans: 0
Reaction of conjugate addition This reaction is a "conjugate addition" of cyanide ion on a cyclopropane. Notice that reaction at the least branched carbon of the cyclopropane
give answer
DISCUSS THE THEORY OF SOFT AND HARD ACID AND BASE
decomposition of carbonates
a. How can a colloidal solution and true solution of the similar colour be distinguished from each other? b. Give four applications of adsorption
There energy becomes lesser due to completely filled orbitals.
How do you explain in the absence of aldehyde group in the pentaacetate of d- glucose Solution) If we add fehling''s solution to D glucose pentaacetate ,no reaction takes place w
SOME SILVER MINES DUMP SHREDDED IRON CANS INTO PONDS CONTAING DISSOLVED SILVER SALTS. WRITE THE TWO HALF REDOX REACTIONS AND THE OVERALL BALANCED REACTION THAT EXPLAINS THE DEPOSIT
How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?
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