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Find the total number of compound (S)/el...

Find the total number of compound (S)/element(s) which on treatment with water liberates `H_(2)` gas at room temperature.
`Ca,B_(3)N_(3)H_(6).B_(2)H_(6),CH_(4),BaH_(2),NaH,LiAlh_(4),P_(4)`

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Find out the total number of compound which have p_(pi)-d_(pi) types of back bonding BF_(3),B_(3)N_(3)H_(6),O(SiH_(3))_(2),(SiH_(3))NCS,Ocl_(2),SCl_(2),PH_(3),PF_(3)

Find the number of molecules which are not having 3e-4c bond from the following Al_(2)(CH_(3))_(6),Si_(2)H_(6),B_(2)H_(6),C_(2)H_(6),Si_(2)Cl_(6),Al_(2)Cl_(6)

The total number of compounds having at least one bridging oxo group among the molecules given below is N_(2)O_(3), N_(2)O_(5), P_(4)O_(6), P_(4)O_(7), H_(4)P_(2)O_(5), H_(5)P_(3)O_(10), H_(2)S_(2)O_(3), H_(2)S_(2)O_(5)

H_(4)underline(S_(2))O_(6)+H_(2)O to H_(2)SO_(3)+H_(2)SO_(4)

H_(4)underline(S_(2))O_(6)+H_(2)O to H_(2)SO_(3)+H_(2)SO_(4)

H_(4)underline(P_(2))O_(6)+H_(2)O to H_(3)PO_(3)+H_(3)PO_(4)

H_(4)underline(P_(2))O_(6)+H_(2)O to H_(3)PO_(3)+H_(3)PO_(4)

NH_(4)OH , NaOH, CH_(3)COOH , H_(2)S

Number of S-S bond in H_(2)S_(n)O_(6) is :

ALLEN-TEST PAPERS-part-2 Chemistry
  1. Which is/are correct statements about following equilibrium? N(2)O(...

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  2. The CORRECT order (s) regarding the atomic size is/are

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  3. Which of the following species having same value of sigma^** (Screenin...

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  4. Select the CORRECT statement (s):

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  5. Choose the CORRECT statement(s) regarding the compound C(6)H(12)

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  6. Solid ammonium carbamate (NH(4)COONH(4)) was taken in excess in closed...

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  7. The solubility of CH(3)COOAg (K(sp)=10^(-10)) in a buffer solution of ...

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  8. Find the total number of compound (S)/element(s) which on treatment wi...

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  9. Consider the compound given below Find x+y+z where x=total num...

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  10. Consider the following elements B C F Cl N O If x,y and...

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  11. Consider the following compounds If 'p' is the number of compound...

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  12. compound (A) forms a ketone. It undergoes in following reaction scheme...

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  13. {:(,"List-I",,"List-II",),(,"Type of ionic compound",,,),((P),"NaCI ty...

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  14. {:(,"List-II",,"List-II",),(,"Aqueous solution of salt",,"Observation ...

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  15. {:(,"List-I",,"List-II",),((P),ZnO,(1),"Yellow when cold and brown on ...

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  16. The primary alcohol 1 - Propanol can be oxidized with Aqueous nitric ...

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  17. How many of the following salts are yellow in colour? Ag(2)CrO(4), ...

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  18. How many of the follwing salts give precipitate with aq. NaOH solution...

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  19. Defects are basically irregularities in the arrangement of constituent...

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  20. Defects are basically irregularities in the arrangement of constituent...

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