What is the bond order of N2-?

Last Answer : (1) N2 Explanation: A high bond order indicates more attraction between electrons. A higher bond order also means that the atoms are held together more tightly.

33. The pair of species with the same bond order is (1) N2 , O2 (2) 2 O , B 2 2  (3) O , NO 2   (4) NO,

Description : 33. The pair of species with the same bond order is (1) N2 , O2 (2) 2 O , B 2 2  (3) O , NO 2   (4) NO,

Last Answer : (2) 2 O , B 2 2 

Which of the following molecules contains a polar covalent bond A.H2 B.N2 C.CO D.O2?

Description : Which of the following molecules contains a polar covalent bond A.H2 B.N2 C.CO D.O2?

Last Answer : C. CO

Which of the following four compounds would have t most ionic bond? w) CH4 x) LiF y) CsF z) N2

Description : Which of the following four compounds would have t most ionic bond? w) CH4 x) LiF y) CsF z) N2

Last Answer : ANSWER: Y -- CsF

Which of the following algorithms sort n integers, having the range 0 to (n2 -1), in ascending order in O(n) time ? (A) Selection sort (B) Bubble sort (C) Radix sort (D) Insertion sort

Description : Which of the following algorithms sort n integers, having the range 0 to (n2 -1), in ascending order in O(n) time ? (A) Selection sort (B) Bubble sort (C) Radix sort (D) Insertion sort

Last Answer : (C) Radix sort

The runtime for traversing all the nodes of a binary search tree with n nodes and printing them in an order is (A) O(lg n) (B) O(n lg n) (C) O(n) (D) O(n2 )

Description : The runtime for traversing all the nodes of a binary search tree with n nodes and printing them in an order is (A) O(lg n) (B) O(n lg n) (C) O(n) (D) O(n2 )

Last Answer : (C) O(n)

What is wrong here? =SUMIFS(D2:D3,">(TODAY()-14)",(N2:N3))

Description : What is wrong here? =SUMIFS(D2:D3,">(TODAY()-14)",(N2:N3))

Last Answer : answer:Your parameters are in the wrong order. The last parameter should be a criterion condition, according to microsoft Office SUMIF documentation. So the N column part should be first. From the ... copying and editing these similar functions, make sure you put the arguments in the correct order.

How many moles of H2 and N2 can be formed by the decomposition of 0.145 moles of ammonia, NH3?

Description : How many moles of H2 and N2 can be formed by the decomposition of 0.145 moles of ammonia, NH3?

Last Answer : All together now… WE WILL NOT DO YOUR HOMEWORK

In the second system of pulleys, if there are two pulley blocks having 'n1' and 'n2' pulleys in the first and second pulley blocks respectively, then the velocity ratio of the whole system will be equal to a.2n1 + n2 b.n1 - n2 c.107 dynes d.2n1 + 2n2 e.n1 + n2

Description : In the second system of pulleys, if there are two pulley blocks having 'n1' and 'n2' pulleys in the first and second pulley blocks respectively, then the velocity ratio of the whole system will be equal to a.2n1 + n2 b.n1 - n2 c.107 dynes d.2n1 + 2n2 e.n1 + n2

Last Answer : b. n1 - n2

In the reaction `A^(-n2)+xe^(-)rarrA^(-n1)` . Here, x will be :

Description : In the reaction `A^(-n2)+xe^(-)rarrA^(-n1)` . Here, x will be :

Last Answer : In the reaction `A^(-n2)+xe^(-)rarrA^(-n1)` . Here, x will be : A. `n_(1)+n_(2)` B. `n_(2)-n_(1)` C. `n_(1)-n_(2)` D. `n_(1).n_(2)`

What is the progress of pulling apart a N2 molecule?

Description : What is the progress of pulling apart a N2 molecule?

Last Answer : Need answer

What is the maximum amount of NH3 gas formed by mixing of 14 g N2 and 6 g H2 gases is?

Description : What is the maximum amount of NH3 gas formed by mixing of 14 g N2 and 6 g H2 gases is?

Last Answer : N2(g) + 3H2(g) ==> 2NH3(g) is the balanced equation for thisreaction.14 g N2 x 1 mole N2/28 g = 0.5 moles N2 present6 g H2 x 1 mole H2/2 g = 3 moles O2 presentIn this situation, the amount of N2 ... by the amount of N2.0.5 moles N2 x 2 moles NH3/1 mole N2 = 1 moles NH3 is themaximum amount of NH3.

What would happen if n2 were added to n2g plus o2g 2nog at equilibrium?

Description : What would happen if n2 were added to n2g plus o2g 2nog at equilibrium?

Last Answer : Feel Free to Answer

What is the mass of 150 liters of nitrogen gas (N2)?

Description : What is the mass of 150 liters of nitrogen gas (N2)?

Last Answer : What is the answer ?

How do you balance N2 plus O2 - N2 plus O5?

Description : How do you balance N2 plus O2 - N2 plus O5?

Last Answer : 2N2 + 5O2 --> 2N2O5

Asymbiotic N2 fixing bacteria

Description : Asymbiotic N2 fixing bacteria

Last Answer : Ans. Azotobactor and Azospirillum

Symbiotic N2 fixing bacteria in leguminous crop.

Description : Symbiotic N2 fixing bacteria in leguminous crop.

Last Answer : Ans. Rhizobium

The relative percentage of N2 , P2O5 and K2O” in a fertilizer

Description : The relative percentage of N2 , P2O5 and K2O” in a fertilizer

Last Answer : Ans. Fertilizer ratio

Strain used for biological N2 fixation in groundnut is

Description : Strain used for biological N2 fixation in groundnut is

Last Answer : Ans.Rhizobium japonicum

In a petrol engine, which of the following gas gets exhausted out without burning and without transformation? a. CO2 b. CO c. O2 d. N2

Description : In a petrol engine, which of the following gas gets exhausted out without burning and without transformation? a. CO2 b. CO c. O2 d. N2

Last Answer : ANSWER d. N2

Producer gas is a mixture of (a) CO and H2 (b) CO and N2 (c) CH4 and H2 (d) CO2 and H2

Description : Producer gas is a mixture of (a) CO and H2 (b) CO and N2 (c) CH4 and H2 (d) CO2 and H2

Last Answer : Ans:(a)

Which of the following is used as anaesthetics? (1) N2 (2) N2O (3) CHI (4) CO2

Description : Which of the following is used as anaesthetics? (1) N2 (2) N2O (3) CHI (4) CO2

Last Answer : (2) N2O Explanation: Nitrous oxide (N2O) is a colorless, odorless gas that is used as an anesthetic and analgesic. It is used in surgery and dentistry for its anaesthetic and analgesic effects ... effects of inhaling it, a property that has led to its recreational use as a dissociative anaesthetic.

Nitrification is the biological process of converting – (1) N9 into nitrate (2) N2 into nitrite (3) Ammonia into nitrite (4) Ammonia into N2

Description : Nitrification is the biological process of converting – (1) N9 into nitrate (2) N2 into nitrite (3) Ammonia into nitrite (4) Ammonia into N2

Last Answer : (3) Ammonia into nitrite Explanation: Nitrification is the biological oxidation of ammonia or ammonium to nitrite followed by the oxidation of the nitrite to nitrate. The transformation of ammonia ... limiting step of nitrification. Nitrification is an important step in the nitrogen cycle in soil.

Which of the following gases will effuse out of football bladder most wieldy? (1) He (2) H2 (3) N2 (4) 02

Description : Which of the following gases will effuse out of football bladder most wieldy? (1) He (2) H2 (3) N2 (4) 02

Last Answer : (2) H2 Explanation: Hydrogen is a chemical element with symbol H and atomic number 1. With an average atomic weight of 1.00794 u (1.007825 u for hydrogen-1), hydrogen is the lightest ... forms covalent compounds with most elements and is present in the-water molecule and in most organic compounds.

Which of the following gases has very high neutron capture crosssection, making it unsuitable as a coolant in nuclear reactor? (A) N2 (B) He (C) CO2 (D) H2

Description : Which of the following gases has very high neutron capture crosssection, making it unsuitable as a coolant in nuclear reactor? (A) N2 (B) He (C) CO2 (D) H2

Last Answer : (A) N2

Water is a better coolant than a gas (like CO2 , He, N2 etc.), because it (A) Is a better neutron moderator as well (B) Require comparatively smaller pumps and heat exchanger for a given heat transfer rate (C) Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature (D) All (A), (B) and (C)

Description : Water is a better coolant than a gas (like CO2 , He, N2 etc.), because it (A) Is a better neutron moderator as well (B) Require comparatively smaller pumps and heat exchanger for a given heat transfer rate ... , and it can be pressurised to attain a high temperature (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Which is used as a coolant in nuclear reactor due to its high capture cross-section? (A) H2 (B) N2 (C) He (D) CO2

Description : Which is used as a coolant in nuclear reactor due to its high capture cross-section? (A) H2 (B) N2 (C) He (D) CO2

Last Answer : (A) H2

N2 content is kept constant in the bio- sphere due to?

Description : N2 content is kept constant in the bio- sphere due to?

Last Answer : nitrogen cycle

Which of the following is more basic: TI2 O and N2 O3?

Description : Which of the following is more basic: TI2 O and N2 O3?

Last Answer : Ans: TI2 O because down the group basic character increases because ionization enthalpy decreases

Out of NH3 and N2 which will have a) larger value of ‘a’ b)larger value of ‘ b’ .Explain.

Description : Out of NH3 and N2 which will have a) larger value of ‘a’ b)larger value of ‘ b’ .Explain.

Last Answer : Ans. a) NH3 will have larger value of a because of H – bonding. b) NH3 will have larger value of b due to larger molecular size.

Give Reason (i)N2 is inert at room temperature. (ii) Overlapping of S orbital with any other orbital forms sigma bonds.

Description : Give Reason (i)N2 is inert at room temperature. (ii) Overlapping of S orbital with any other orbital forms sigma bonds.

Last Answer : Ans .Due to high bond order (3) , it has high bond dissociation energy ,which is not possible at room temperature (ii)Because s orbital has same electron distribution in all axis/ directions

Separation of __________ employs gaseous diffusion process. (A) N2 and O2 from air (B) Isotopes of uranium (C) Isotopes of helium (D) SO2 and air

Description : Separation of __________ employs gaseous diffusion process. (A) N2 and O2 from air (B) Isotopes of uranium (C) Isotopes of helium (D) SO2 and air

Last Answer : (B) Isotopes of uranium

Name two non - symbiotic N2- fixing blue - green algae (cyanobacteria)?

Description : Name two non - symbiotic N2- fixing blue - green algae (cyanobacteria)?

Last Answer : Nostoc; Anabaena

Symbiotic N2 - fixation is carried out by which bacteria?

Description : Symbiotic N2 - fixation is carried out by which bacteria?

Last Answer : Rhizobium leguminosarum

Non - symbiotic N2 - fixation is carried out by bacteria such as.......... and.......... ?

Description : Non - symbiotic N2 - fixation is carried out by bacteria such as.......... and.......... ?

Last Answer : Azotobacter & Clostridium

The coefficient of fluctuation of speed of Flywheel is given by 1. (N1-N2)/N 2. (N1+N2)/N 3. (N1-N2) x N

Description : The coefficient of fluctuation of speed of Flywheel is given by 1. (N1-N2)/N 2. (N1+N2)/N 3. (N1-N2) x N

Last Answer : 1. (N1-N2)/N

The traveling salesman problem involves n cities with paths connecting the cities. The time taken for traversing through all the cities, without knowing in advance the length of a minimum tour, is ___________ a) O(n) b) O(n2) c) O(n!) d) O(n/2)

Description : The traveling salesman problem involves n cities with paths connecting the cities. The time taken for traversing through all the cities, without knowing in advance the length of a minimum tour, is ___________ a) O(n) b) O(n2) c) O(n!) d) O(n/2)

Last Answer : c) O(n!)

The equation, (NSt × N2/3 Pr ) = f/2, is the __________ analogy. (A) Colburn (B) Reynolds (C) Prandtl (D) None of these

Description : The equation, (NSt × N2/3 Pr ) = f/2, is the __________ analogy. (A) Colburn (B) Reynolds (C) Prandtl (D) None of these

Last Answer : (A) Colburn

. In centrifugal pendulum absorber , the natural frequency in cycle per second can be given by A Fn =N √(R/L) B Fn =1/N √(R/L) C Fn =N/2 √(R/L) D Fn =N2 √(R/L)

Description : . In centrifugal pendulum absorber , the natural frequency in cycle per second can be given by A Fn =N √(R/L) B Fn =1/N √(R/L) C Fn =N/2 √(R/L) D Fn =N2 √(R/L)

Last Answer : A Fn =N √(R/L)

In centrifugal pendulum absorber , the natural frequency in cycle per second can be given by A) Fn =N √(R/L) B) Fn =1/N √(R/L) C) Fn =N/2 √(R/L) D) Fn =N2 √(R/L)

Description : In centrifugal pendulum absorber , the natural frequency in cycle per second can be given by A) Fn =N √(R/L) B) Fn =1/N √(R/L) C) Fn =N/2 √(R/L) D) Fn =N2 √(R/L)

Last Answer : A) Fn =N √(R/L)

The main constituent of biogas is (a) H2 (b) H2S (c) N2 (d) CH4

Description : The main constituent of biogas is (a) H2 (b) H2S (c) N2 (d) CH4

Last Answer : (d) CH4

n2 – 1 is divisible by 8, if n is (a) an integer (b) a natural number (c) an odd integer (d) an even integer

Description : n2 – 1 is divisible by 8, if n is (a) an integer (b) a natural number (c) an odd integer (d) an even integer

Last Answer : (c) an odd integer

The Snell’s law is given by a) N1 sin θi = N2 sin θt b) N2 sin θi = N1 sin θt c) sin θi = sin θt d) N1 cos θi = N2 cos θt

Description : The Snell’s law is given by a) N1 sin θi = N2 sin θt b) N2 sin θi = N1 sin θt c) sin θi = sin θt d) N1 cos θi = N2 cos θt

Last Answer : a) N1 sin θi = N2 sin θt

The Brewster angle is expressed as a) Tan -1 (n) b) Tan -1 (n1/n2) c) Tan -1 (n2/n1) d) Tan (n)

Description : The Brewster angle is expressed as a) Tan -1 (n) b) Tan -1 (n1/n2) c) Tan -1 (n2/n1) d) Tan (n)

Last Answer : c) Tan -1 (n2/n1)

For total internal reflection to occur, which condition must be satisfied? a) N1 = N2 b) N1 > N2 c) N1 < N2 d) N1 x N2=1

Description : For total internal reflection to occur, which condition must be satisfied? a) N1 = N2 b) N1 > N2 c) N1 < N2 d) N1 x N2=1

Last Answer : b) N1 > N2

Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation? (a) Leghaemoglobin scavenges oxygen and is pinkish in colour. (b) Nodules act as sites for nitrogen fixation. (c) The enzyme nitrogenase catalyses the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.

Description : Leguminous plants are able to fix atmospheric nitrogen through the process of symbiotic nitrogen fixation. Which one of the following statements is not correct during this process of nitrogen fixation ... the conversion of atmospheric N2 to NH3. (d) Nitrogenase is insensitive to oxygen.

Last Answer : (d) Nitrogenase is insensitive to oxygen.

Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) Decomposition of organic nitrogen and conversion of dinitrogen to ammonium compounds (c) Enteric fermentation in cattle and nitrogen fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification

Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification

Last Answer : (d) Anaerobic ammonium oxidation and denitrification

What is the bond order of N2-?

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