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UNITED BOOK HOUSE-MODEL QUESTION PAPER 14 -EXERCISE
- Explain that Fe^3+ is more stable than Fe^2+. State Atifbau principle....
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- How many orbitals are possible for n = 3, State the notations used for...
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- Why is the Electron affinity of Be and Mg endothermic in nature?
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- State three Characteristics of 'd' block element.
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- Write the Lewis dot structures for the following compounds: NaCN, N2O,...
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- Which one is more stronger and why between sigma and pi bond? State th...
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- What do you mean by partial pressure of gas? State Daltors partial pre...
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- What do you mean by surfactant? Give example. WJiat is the magnitude o...
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- Write two differences between reversible and irreversible process? Why...
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- It the free energy change for a reaction at 25^@C be 5.4 Kj Calculate ...
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- Why di1 H2SO4 is more convenient than syrapic H3PO4 for the preparatio...
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- How NH3 is recovered in solvey process? State one use of sodium amalgu...
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- What do you mean by homolytic and heterolyic fission. Give the IUPAC ...
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- Kp//Kc for CO+frac(1)(2)O2=CO2
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- What happens.when (Give balanced Chemical eqn) BoricAcid is heated wit...
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- What happens.when (Give balanced Chemical eqn)Boran trifluride is trea...
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- What will happens if CO is treated with NaOH at high temp.Why BF3 acts...
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- How would you convert
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- Indentify C
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- Indentify E
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