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The total number of unpaired electrons p...

The total number of unpaired electrons present in the complex `k_3[Cr( " oxalate " )_3]` is _______.

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2021-CHEMISTRY SECTION B
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  2. 2 molal solution of a weak acid HA has a freezing point of 3.885^@C. T...

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  3. The total number of unpaired electrons present in the complex k3[Cr( "...

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  4. AX is a covalent diatomic molecule where A and X are second row elemen...

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  5. In order to prepare a buffer solution of pH 5.74, sodium acetate is ad...

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  7. For the reaction C(2) H(6) to C2 H4+H2 the reaction enthalpy Del...

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  8. A reaction of 0.1 mole of Benzylamine with bromomethane gave 23 g Benz...

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  9. grams of 3-Hydroxy propanal (MW=74) must be dehydrated to produce 7.8 ...

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  10. Sulphurous acid (H(2)SO) has Ka(1) = 1.7 xx 10^(-2) and Ka(2)=6.4 xx 1...

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  11. A5.0 m mol dm^(-3) aqueous solution of KCl has a conductance of 0.55 m...

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  12. At 363 K, the vapour pressure of A is 21 kPa and that of B is 18 kPa. ...

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  13. A and B decompose via first order kinetics with half-lives 54.0 min an...

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  14. When 35 mL of 0.15 M lead nitrate solution is mixed with 20 mL of 0.12...

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  15. At 25^(@)C, 50 g of iron reacts with HCl to form FeCl(2). The evolved ...

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  16. Ga (atomic mass 70 u) crystallizes in a hexagonal dose packed structur...

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  18. In Duma's method of estimation of nitrogen, 0.1840 g of an organic com...

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