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DISCUSS THE THEORY OF SOFT AND HARD ACID AND BASE
Q. Calculate the specific heat of strange metal? Ans. You found a 50.0 sample of an unknown metal while you were scuba diving near the remains of anancient ship wreck. To test
chemical equation of K2CO3+CH#CH@OH+I2
The compound in which cation is isoelectronic with anion is : (1) NaCl (2) CsF (3) NaI (4) K 2 S Ans: K 2 S
Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.
The mass of a photon with a wavelength equal to 1.54 x 10 -8 cm is: (1) 0.8268 x 10 -34 kg (2) 1.287 x10 -33 kg (3)1.4285x 10 -32 k
Structural needs for hyperconjugation (i) Compound could comprise at least one Sp 2 -hybrid carbon of as well alkene alkyl carbocation or alkyl free radical. (ii) ∝- carbon
Advantages of radiometric titration
what are the similarities of chemical and physical change
Which one of the following is not isoelectronic with O 2- : (1) N- 3 (2) F - (3) Tl + (4) Na + Ans: Tl +
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